US5950131A - Method and apparatus for fast pilot channel acquisition using a matched filter in a CDMA radiotelephone - Google Patents
Method and apparatus for fast pilot channel acquisition using a matched filter in a CDMA radiotelephone Download PDFInfo
- Publication number
- US5950131A US5950131A US08/741,183 US74118396A US5950131A US 5950131 A US5950131 A US 5950131A US 74118396 A US74118396 A US 74118396A US 5950131 A US5950131 A US 5950131A
- Authority
- US
- United States
- Prior art keywords
- sequence
- response
- radiotelephone
- receiver
- controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/76—Pilot transmitters or receivers for control of transmission or for equalising
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/709—Correlator structure
- H04B1/7093—Matched filter type
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
- H04B7/2637—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA] for logical channel control
Abstract
Description
Claims (26)
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/741,183 US5950131A (en) | 1996-10-29 | 1996-10-29 | Method and apparatus for fast pilot channel acquisition using a matched filter in a CDMA radiotelephone |
CA002213960A CA2213960C (en) | 1996-10-29 | 1997-08-25 | Method and apparatus for fast pilot channel acquisition using a matched filter in a cdma radiotelephone |
ARP970104283A AR009797A1 (en) | 1996-10-29 | 1997-09-18 | RADIO TELEPHONE CONFIGURED TO RECEIVE DS-CDMA SIGNALS IN A COMMUNICATIONS SYSTEM. |
GB9720012A GB2318952B (en) | 1996-10-29 | 1997-09-22 | Method and apparatus for fast pilot channel acquisition using a matched filter in a CDMA radiotelephone |
JP29355097A JP4057111B2 (en) | 1996-10-29 | 1997-10-08 | Fast pilot channel acquisition method and apparatus using matched filter in CDMA radiotelephone |
DE19745432A DE19745432C2 (en) | 1996-10-29 | 1997-10-15 | Method and device for rapid pilot channel detection using an optimal filter in a CDMA radio |
BR9705310-4A BR9705310A (en) | 1996-10-29 | 1997-10-27 | Method and apparatus for rapid acquisition of the pilot channel using an adapted filter on a cdma radio telephone |
CN97119929A CN1086541C (en) | 1996-10-29 | 1997-10-27 | Wireless telephone set whose receiving-code divided into multi-address signal and method thereof |
KR1019970055503A KR100253104B1 (en) | 1996-10-29 | 1997-10-28 | Method and apparatus for fast pilot channel acquisition using a matched filter in a cdma radiotelephone |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/741,183 US5950131A (en) | 1996-10-29 | 1996-10-29 | Method and apparatus for fast pilot channel acquisition using a matched filter in a CDMA radiotelephone |
Publications (1)
Publication Number | Publication Date |
---|---|
US5950131A true US5950131A (en) | 1999-09-07 |
Family
ID=24979714
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US08/741,183 Expired - Lifetime US5950131A (en) | 1996-10-29 | 1996-10-29 | Method and apparatus for fast pilot channel acquisition using a matched filter in a CDMA radiotelephone |
Country Status (9)
Country | Link |
---|---|
US (1) | US5950131A (en) |
JP (1) | JP4057111B2 (en) |
KR (1) | KR100253104B1 (en) |
CN (1) | CN1086541C (en) |
AR (1) | AR009797A1 (en) |
BR (1) | BR9705310A (en) |
CA (1) | CA2213960C (en) |
DE (1) | DE19745432C2 (en) |
GB (1) | GB2318952B (en) |
Cited By (101)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6072822A (en) * | 1997-01-14 | 2000-06-06 | Sony Corporation | Terminal unit for use with radio system and searching method |
US6075809A (en) * | 1997-01-06 | 2000-06-13 | Sony Corporation | Receiving apparatus, receiving method and terminal unit for use with radio system |
US6108370A (en) * | 1997-01-06 | 2000-08-22 | Sony Corporation | Receiving apparatus, receiving method, and terminal unit for use with radio system |
US6111868A (en) * | 1996-07-31 | 2000-08-29 | Korea Telecommunication Authority | Parallel acquisition system using reference matched filter |
US6122311A (en) * | 1997-01-21 | 2000-09-19 | Sony Corporation | Demodulating method and apparatus, receiving method and apparatus and communication apparatus |
US6175587B1 (en) * | 1997-12-30 | 2001-01-16 | Motorola, Inc. | Communication device and method for interference suppression in a DS-CDMA system |
US6205168B1 (en) * | 1998-11-12 | 2001-03-20 | Sharp Laboratories Of America, Inc. | Sequential detection system and method with adaptive bias |
US6208632B1 (en) * | 1998-01-29 | 2001-03-27 | Sharp Laboratories Of America | System and method for CDMA channel estimation |
WO2001047133A1 (en) * | 1999-12-20 | 2001-06-28 | Nokia Networks Oy | Method of receiving spread spectrum signal, and receiver |
US6263010B1 (en) * | 1997-08-04 | 2001-07-17 | Kabushiki Kaisha Toshiba | Spread spectrum communication apparatus |
US20010028674A1 (en) * | 2000-02-13 | 2001-10-11 | Ofir Edlis | Searching in dual-mode communications system |
US6311081B1 (en) * | 1999-09-15 | 2001-10-30 | Ericsson Inc. | Low power operation in a radiotelephone |
US20010041536A1 (en) * | 1999-11-30 | 2001-11-15 | Osamu Hasegawa | CDMA mobile telephone |
US20010048713A1 (en) * | 1999-12-30 | 2001-12-06 | Medlock Joel D. | Fast initial acquisition & search device for a spread spectrum communication system |
US6343070B1 (en) * | 1998-06-08 | 2002-01-29 | Ericcson Inc. | Methods for reducing channel acquisition times in a radiotelephone communications system and related mobile terminals |
US6353603B1 (en) * | 1998-07-22 | 2002-03-05 | Samsung Electronics Co., Ltd. | Terminal control device and method for soft-handoff between terminals having different frequencies |
US6356538B1 (en) * | 1998-03-30 | 2002-03-12 | Oki Telecom, Inc. | Partial sleep system for power savings in CDMA wireless telephone devices |
US6366574B1 (en) * | 1997-05-08 | 2002-04-02 | Texas Instruments Incorporated | Method and device for recovering synchronization on a signal transmitted to a mobile-telephone receiver |
US6377615B1 (en) | 1999-09-30 | 2002-04-23 | Ericsson Inc. | Apparatus and methods for receiving information using variable length accumulation searchers |
US20020061057A1 (en) * | 2000-11-17 | 2002-05-23 | Makoto Wakamatsu | Digital filter |
WO2002056494A1 (en) * | 2001-01-12 | 2002-07-18 | Mitsubishi Electric And Electronics U.S.A., Inc. | Methods and apparatus for feature recognition time shift correlation |
US6452912B1 (en) * | 1998-07-07 | 2002-09-17 | Samsung Electronics, Co., Ltd. | Method for searching cells in mobile communication system |
GB2374252A (en) * | 2001-04-04 | 2002-10-09 | Ubinetics Ltd | Identification of neighbouring cell scrambling codes |
US20030054774A1 (en) * | 2001-03-22 | 2003-03-20 | Quicksilver Technology, Inc. | Method and system for managing hardware resources to implement system acquisition using an adaptive computing architecture |
US6539032B2 (en) * | 2000-03-10 | 2003-03-25 | Mitsubishi Denki Kabushiki Kaisha | Methods for synchronizing between a base station and a mobile station in a cell-based mobile communications system |
US6567460B1 (en) * | 1997-05-15 | 2003-05-20 | Lg Information & Communications, Ltd. | Device and method for detecting pilot PN offset in cordless telephone system |
US20030099223A1 (en) * | 2001-11-28 | 2003-05-29 | Chang Li Fung | Acquisition matched filter for W-CDMA systems providing frequency offset robustness |
US20030114126A1 (en) * | 2001-12-18 | 2003-06-19 | Wang Michael M. | Method and apparatus for automatic gain control compensation in a wireless communication system |
US6590886B1 (en) * | 1998-07-17 | 2003-07-08 | Qualcomm, Incorporated | Technique for reduction of awake time in a wireless communication device utilizing slotted paging |
US6606485B1 (en) * | 1999-10-06 | 2003-08-12 | Qualcomm, Incorporated | Candidate system search and soft handoff between frequencies in a multi-carrier mobile communication system |
US20030236098A1 (en) * | 2002-06-20 | 2003-12-25 | Nec Corporation | Method of optimizing the search for cells in a mobile telecommunication network |
US20040019268A1 (en) * | 2000-11-03 | 2004-01-29 | Cardiac Pacemakers, Inc. | Configurations and methods for making capacitor connections |
US6693890B1 (en) * | 2000-03-03 | 2004-02-17 | Carlson Wireless, Inc. | Fast acquisition module for a code division multiple access (CDMA) wireless local loop (WLL) system |
US20040043751A1 (en) * | 1999-12-20 | 2004-03-04 | Tantivy Communications, Inc. | Method and apparatus for a spectrally compliant cellular communication system |
US6741581B1 (en) * | 1998-09-22 | 2004-05-25 | Hughes Electronics Corporation | System and method for transmitting data in frame format using an R-Rake retransmission technique with blind identification of data frames |
US6760366B1 (en) * | 1999-11-29 | 2004-07-06 | Qualcomm Incorporated | Method and apparatus for pilot search using a matched filter |
US20040147961A1 (en) * | 2000-11-03 | 2004-07-29 | Cardiac Pacemakers, Inc. | Flat capacitor for an implantable medical device |
US20040160910A1 (en) * | 1997-12-17 | 2004-08-19 | Tantivy Communications, Inc. | Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (CDMA) radio link |
US20040160982A1 (en) * | 1997-06-20 | 2004-08-19 | Tantivy Communications, Inc. | Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (CDMA) radio link |
US20040166882A1 (en) * | 2003-02-25 | 2004-08-26 | Nokia Corporation | Multiple base station monitoring of digital paging channel to reduce an occurrence of missed pages by a mobile station |
US20040173835A1 (en) * | 2000-11-03 | 2004-09-09 | Cardiac Pacemakers, Inc. | Method for interconnecting anodes and cathodes in a flat capacitor |
US20040192315A1 (en) * | 2002-03-26 | 2004-09-30 | Li Jimmy Kwok-On | Method for dynamically assigning spreading codes |
US6859489B2 (en) | 2000-01-18 | 2005-02-22 | Infineon Technologies Ag | Method and device for determining the carrier frequency of base stations in the mobile receiver of a cellular mobile radio system working with W-CDMA |
US20050050429A1 (en) * | 1999-04-28 | 2005-03-03 | Tantivy Communications, Inc. | Forward error correction scheme for high rate data exchange in a wireless system |
US20050147154A1 (en) * | 1998-03-31 | 2005-07-07 | Shigeyuki Sudo | Receiver for receiving a spectrum dispersion signal |
US20050201449A1 (en) * | 2004-03-09 | 2005-09-15 | Churan Gary G. | Code synchronization in CDMA satellite wireless communications system using uplink channel detection |
US20050258991A1 (en) * | 2004-05-18 | 2005-11-24 | Efland Gregory H | Powering down of dac and adc for receive/transmit modes of operation in a wireless device |
US6985351B2 (en) | 2000-11-03 | 2006-01-10 | Cardiac Pacemakers, Inc. | Implantable heart monitors having flat capacitors with curved profiles |
US20060073438A1 (en) * | 2004-07-15 | 2006-04-06 | Cubic Corporation | Enhancement of aimpoint in simulated training systems |
US7107099B1 (en) | 2000-11-03 | 2006-09-12 | Cardiac Pacemakers, Inc. | Capacitor having a feedthrough assembly with a coupling member |
US7142526B1 (en) * | 1999-09-14 | 2006-11-28 | Nec Corporation | Mobile communication terminal equipment, control method therefor, and recording medium on which control program therefor is recorded |
US7190569B2 (en) | 2000-11-03 | 2007-03-13 | Cardiac Pacemakers, Inc. | Implantable heart monitors having capacitors with endcap headers |
US7221664B2 (en) | 1998-06-01 | 2007-05-22 | Interdigital Technology Corporation | Transmittal of heartbeat signal at a lower level than heartbeat request |
US7301987B2 (en) | 2001-02-08 | 2007-11-27 | Intel Corporation | Background processing and searching for a communication channel |
US7347880B2 (en) | 2000-11-03 | 2008-03-25 | Cardiac Pacemakers, Inc. | Flat capacitor having staked foils and edge-connected connection members |
US7394791B2 (en) | 1997-12-17 | 2008-07-01 | Interdigital Technology Corporation | Multi-detection of heartbeat to reduce error probability |
US7428262B2 (en) | 2003-08-13 | 2008-09-23 | Motorola, Inc. | Channel estimation in a rake receiver of a CDMA communication system |
US7443826B1 (en) * | 2000-10-04 | 2008-10-28 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for automatic frequency control in a CDMA receiver |
US7480280B2 (en) | 1998-06-01 | 2009-01-20 | Tantivy Communications, Inc. | Fast acquisition of traffic channels for a highly variable data rate reverse link of a CDMA wireless communication system |
US7496072B2 (en) | 1997-12-17 | 2009-02-24 | Interdigital Technology Corporation | System and method for controlling signal strength over a reverse link of a CDMA wireless communication system |
US20090122742A1 (en) * | 2002-09-26 | 2009-05-14 | Interdigital Technology Corporation | Method for utilizing multicast services to enhance user equipment battery life |
US20090161528A1 (en) * | 2007-12-21 | 2009-06-25 | Motorola, Inc. | Method for extending ranging region in an ofdma system |
US7616970B2 (en) | 1999-09-21 | 2009-11-10 | Ipr Licensing, Inc. | Dual mode unit for short range, high rate and long range, lower rate data communications |
US7653710B2 (en) | 2002-06-25 | 2010-01-26 | Qst Holdings, Llc. | Hardware task manager |
US7660984B1 (en) | 2003-05-13 | 2010-02-09 | Quicksilver Technology | Method and system for achieving individualized protected space in an operating system |
US7668229B2 (en) | 2001-12-12 | 2010-02-23 | Qst Holdings, Llc | Low I/O bandwidth method and system for implementing detection and identification of scrambling codes |
US7715461B2 (en) | 1996-05-28 | 2010-05-11 | Qualcomm, Incorporated | High data rate CDMA wireless communication system using variable sized channel codes |
US20100118695A1 (en) * | 2008-11-10 | 2010-05-13 | Qualcomm Incorporated | Spectrum sensing of bluetooth using a sequence of energy detection measurements |
US7752419B1 (en) | 2001-03-22 | 2010-07-06 | Qst Holdings, Llc | Method and system for managing hardware resources to implement system functions using an adaptive computing architecture |
US7773566B2 (en) | 1998-06-01 | 2010-08-10 | Tantivy Communications, Inc. | System and method for maintaining timing of synchronization messages over a reverse link of a CDMA wireless communication system |
US7809050B2 (en) | 2001-05-08 | 2010-10-05 | Qst Holdings, Llc | Method and system for reconfigurable channel coding |
US7865847B2 (en) | 2002-05-13 | 2011-01-04 | Qst Holdings, Inc. | Method and system for creating and programming an adaptive computing engine |
US7904603B2 (en) | 2002-10-28 | 2011-03-08 | Qst Holdings, Llc | Adaptable datapath for a digital processing system |
US7937538B2 (en) | 2002-11-22 | 2011-05-03 | Qst Holdings, Llc | External memory controller node |
US7937591B1 (en) | 2002-10-25 | 2011-05-03 | Qst Holdings, Llc | Method and system for providing a device which can be adapted on an ongoing basis |
US7936728B2 (en) | 1997-12-17 | 2011-05-03 | Tantivy Communications, Inc. | System and method for maintaining timing of synchronization messages over a reverse link of a CDMA wireless communication system |
US20110149902A1 (en) * | 2005-05-02 | 2011-06-23 | Hak Seong Kim | Apparatus and method for receiving signals in multi-carrier multiple access systems |
USRE42743E1 (en) | 2001-11-28 | 2011-09-27 | Qst Holdings, Llc | System for authorizing functionality in adaptable hardware devices |
US8108656B2 (en) | 2002-08-29 | 2012-01-31 | Qst Holdings, Llc | Task definition for specifying resource requirements |
US8134980B2 (en) | 1998-06-01 | 2012-03-13 | Ipr Licensing, Inc. | Transmittal of heartbeat signal at a lower level than heartbeat request |
US8155096B1 (en) | 2000-12-01 | 2012-04-10 | Ipr Licensing Inc. | Antenna control system and method |
US8175120B2 (en) | 2000-02-07 | 2012-05-08 | Ipr Licensing, Inc. | Minimal maintenance link to support synchronization |
US8225073B2 (en) | 2001-11-30 | 2012-07-17 | Qst Holdings Llc | Apparatus, system and method for configuration of adaptive integrated circuitry having heterogeneous computational elements |
US8250339B2 (en) | 2001-11-30 | 2012-08-21 | Qst Holdings Llc | Apparatus, method, system and executable module for configuration and operation of adaptive integrated circuitry having fixed, application specific computational elements |
US8259687B2 (en) | 1997-06-20 | 2012-09-04 | Ipr Licensing, Inc. | Dynamic bandwidth allocation for multiple access communications using buffer urgency factor |
US8274954B2 (en) | 2001-02-01 | 2012-09-25 | Ipr Licensing, Inc. | Alternate channel for carrying selected message types |
US8276135B2 (en) | 2002-11-07 | 2012-09-25 | Qst Holdings Llc | Profiling of software and circuit designs utilizing data operation analyses |
US8356161B2 (en) | 2001-03-22 | 2013-01-15 | Qst Holdings Llc | Adaptive processor for performing an operation with simple and complex units each comprising configurably interconnected heterogeneous elements |
US8533431B2 (en) | 2001-03-22 | 2013-09-10 | Altera Corporation | Adaptive integrated circuitry with heterogeneous and reconfigurable matrices of diverse and adaptive computational units having fixed, application specific computational elements |
US8588728B1 (en) * | 2011-06-16 | 2013-11-19 | Sprint Spectrum L.P. | Method and apparatus for enhanced adaptive idle mode and battery efficiency monitoring |
US8638877B2 (en) | 2001-02-01 | 2014-01-28 | Intel Corporation | Methods, apparatuses and systems for selective transmission of traffic data using orthogonal sequences |
USRE45367E1 (en) | 1997-06-20 | 2015-02-10 | Intel Corporation | Protocol conversion and bandwidth reduction technique providing multiple NB+D ISDN basic rate interface links over a wireless code division multiple access communication system |
US9002998B2 (en) | 2002-01-04 | 2015-04-07 | Altera Corporation | Apparatus and method for adaptive multimedia reception and transmission in communication environments |
US9014118B2 (en) | 2001-06-13 | 2015-04-21 | Intel Corporation | Signaling for wireless communications |
US9093683B2 (en) | 2002-12-31 | 2015-07-28 | Cardiac Pacemakers, Inc. | Method and apparatus for porous insulative film for insulating energy source layers |
US9525923B2 (en) | 1997-12-17 | 2016-12-20 | Intel Corporation | Multi-detection of heartbeat to reduce error probability |
US9620806B2 (en) | 2002-12-31 | 2017-04-11 | Cardiac Pacemakers, Inc. | Batteries including a flat plate design |
US10117065B1 (en) * | 2017-06-01 | 2018-10-30 | Athentek Innovations, Inc. | Systems and methods for learning wireless transceiver locations and updating a spatially-dependent path-loss model |
US10114104B1 (en) * | 2017-06-01 | 2018-10-30 | Athentek Innovations, Inc. | System and methods for learning wireless transceiver locations and updating a spatially-dependent path-loss model |
US10117064B1 (en) * | 2017-06-01 | 2018-10-30 | Athentek Innovations, Inc. | Systems and methods for learning wireless transceiver locations and updating a spatially-dependent path-loss model |
US11055103B2 (en) | 2010-01-21 | 2021-07-06 | Cornami, Inc. | Method and apparatus for a multi-core system for implementing stream-based computations having inputs from multiple streams |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5974042A (en) * | 1997-02-28 | 1999-10-26 | Motorola, Inc. | Service detection circuit and method |
JP2937994B1 (en) * | 1998-03-04 | 1999-08-23 | 日本電気移動通信株式会社 | Cellular system, mobile portable device, base station device, and optimal path detection method and device |
DE19828226A1 (en) * | 1998-06-25 | 1999-12-30 | Philips Corp Intellectual Pty | Wireless network with base stations and terminals, optionally mobile |
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US6665282B1 (en) * | 1998-12-04 | 2003-12-16 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for configuring a RAKE receiver |
US7184462B1 (en) | 1998-12-04 | 2007-02-27 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for configuring a rake receiver |
US6278703B1 (en) * | 1998-12-09 | 2001-08-21 | Qualcomm Incorporated | Method and apparatus for improving neighbor searching performance |
US6678313B1 (en) | 1998-12-25 | 2004-01-13 | Kokusai Electric Co., Ltd. | Correlation circuit for spread spectrum communication |
JP3964998B2 (en) | 1999-01-14 | 2007-08-22 | 株式会社日立国際電気 | Mobile station receiver |
US7031271B1 (en) | 1999-05-19 | 2006-04-18 | Motorola, Inc. | Method of and apparatus for activating a spread-spectrum radiotelephone |
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US6539006B1 (en) | 1999-08-05 | 2003-03-25 | Ericsson Inc. | Mobile station capable of determining base station suitability |
US6847677B1 (en) * | 2000-09-29 | 2005-01-25 | Qualcomm, Incorporated | Method and apparatus for efficient Walsh covering and summing of signals in a communication system |
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GB2388494A (en) * | 2002-05-08 | 2003-11-12 | Lucent Technologies Inc | Handover of mobile call connection |
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Citations (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5109390A (en) * | 1989-11-07 | 1992-04-28 | Qualcomm Incorporated | Diversity receiver in a cdma cellular telephone system |
US5179571A (en) * | 1991-07-10 | 1993-01-12 | Scs Mobilecom, Inc. | Spread spectrum cellular handoff apparatus and method |
US5267261A (en) * | 1992-03-05 | 1993-11-30 | Qualcomm Incorporated | Mobile station assisted soft handoff in a CDMA cellular communications system |
JPH05344093A (en) * | 1992-06-12 | 1993-12-24 | Matsushita Electric Ind Co Ltd | Demodulator for spread spectrum communication |
US5311544A (en) * | 1992-11-19 | 1994-05-10 | Samsung Electronics Co., Ltd. | Receiver of a direct sequence spread spectrum system |
EP0615355A2 (en) * | 1993-03-10 | 1994-09-14 | Ntt Mobile Communications Network Inc. | Mobile station and cell selecting method for code division multiplex access mobile communication |
DE4425354A1 (en) * | 1993-07-30 | 1995-02-02 | Roke Manor Research | Digital radio link using direct sequence spread spectrum communication between fixed and mobile units |
US5410568A (en) * | 1992-01-13 | 1995-04-25 | Interdigital Technology Corporation | CDMA/TDMA spread-spectrum communications system and method |
US5469469A (en) * | 1993-12-07 | 1995-11-21 | University Of Massachusetts Lowell Research Foundation | Composite spread spectrum signal including modulator demodulator |
US5490165A (en) * | 1993-10-28 | 1996-02-06 | Qualcomm Incorporated | Demodulation element assignment in a system capable of receiving multiple signals |
JPH08111653A (en) * | 1994-10-11 | 1996-04-30 | Matsushita Electric Ind Co Ltd | Cdma receiver |
US5544156A (en) * | 1994-04-29 | 1996-08-06 | Telefonaktiebolaget Lm Ericsson | Direct sequence CDMA coherent uplink detector |
WO1996037968A1 (en) * | 1995-05-25 | 1996-11-28 | Golden Bridge Technology, Inc. | Programmable matched filter for spread spectrum |
EP0756391A1 (en) * | 1995-07-25 | 1997-01-29 | Matra Communication | Method of selecting radio wave propagation paths in a spread spectrum communication system |
US5703873A (en) * | 1994-05-30 | 1997-12-30 | Nokia Telecommunications Oy | Method and apparatus for synchronizing subscriber equipment with base stations in a CDMA radio network |
US5715276A (en) * | 1996-08-22 | 1998-02-03 | Golden Bridge Technology, Inc. | Symbol-matched filter having a low silicon and power requirement |
DE3834457C2 (en) * | 1987-10-09 | 1998-04-30 | Clarion Co Ltd | Spread spectrum receiver |
-
1996
- 1996-10-29 US US08/741,183 patent/US5950131A/en not_active Expired - Lifetime
-
1997
- 1997-08-25 CA CA002213960A patent/CA2213960C/en not_active Expired - Fee Related
- 1997-09-18 AR ARP970104283A patent/AR009797A1/en active IP Right Grant
- 1997-09-22 GB GB9720012A patent/GB2318952B/en not_active Expired - Fee Related
- 1997-10-08 JP JP29355097A patent/JP4057111B2/en not_active Expired - Fee Related
- 1997-10-15 DE DE19745432A patent/DE19745432C2/en not_active Expired - Fee Related
- 1997-10-27 CN CN97119929A patent/CN1086541C/en not_active Expired - Fee Related
- 1997-10-27 BR BR9705310-4A patent/BR9705310A/en not_active Application Discontinuation
- 1997-10-28 KR KR1019970055503A patent/KR100253104B1/en not_active IP Right Cessation
Patent Citations (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3834457C2 (en) * | 1987-10-09 | 1998-04-30 | Clarion Co Ltd | Spread spectrum receiver |
US5109390A (en) * | 1989-11-07 | 1992-04-28 | Qualcomm Incorporated | Diversity receiver in a cdma cellular telephone system |
US5179571A (en) * | 1991-07-10 | 1993-01-12 | Scs Mobilecom, Inc. | Spread spectrum cellular handoff apparatus and method |
US5410568A (en) * | 1992-01-13 | 1995-04-25 | Interdigital Technology Corporation | CDMA/TDMA spread-spectrum communications system and method |
US5267261A (en) * | 1992-03-05 | 1993-11-30 | Qualcomm Incorporated | Mobile station assisted soft handoff in a CDMA cellular communications system |
JPH05344093A (en) * | 1992-06-12 | 1993-12-24 | Matsushita Electric Ind Co Ltd | Demodulator for spread spectrum communication |
US5311544A (en) * | 1992-11-19 | 1994-05-10 | Samsung Electronics Co., Ltd. | Receiver of a direct sequence spread spectrum system |
EP0615355A2 (en) * | 1993-03-10 | 1994-09-14 | Ntt Mobile Communications Network Inc. | Mobile station and cell selecting method for code division multiplex access mobile communication |
DE4425354A1 (en) * | 1993-07-30 | 1995-02-02 | Roke Manor Research | Digital radio link using direct sequence spread spectrum communication between fixed and mobile units |
US5490165A (en) * | 1993-10-28 | 1996-02-06 | Qualcomm Incorporated | Demodulation element assignment in a system capable of receiving multiple signals |
US5469469A (en) * | 1993-12-07 | 1995-11-21 | University Of Massachusetts Lowell Research Foundation | Composite spread spectrum signal including modulator demodulator |
US5544156A (en) * | 1994-04-29 | 1996-08-06 | Telefonaktiebolaget Lm Ericsson | Direct sequence CDMA coherent uplink detector |
US5703873A (en) * | 1994-05-30 | 1997-12-30 | Nokia Telecommunications Oy | Method and apparatus for synchronizing subscriber equipment with base stations in a CDMA radio network |
JPH08111653A (en) * | 1994-10-11 | 1996-04-30 | Matsushita Electric Ind Co Ltd | Cdma receiver |
WO1996037968A1 (en) * | 1995-05-25 | 1996-11-28 | Golden Bridge Technology, Inc. | Programmable matched filter for spread spectrum |
EP0756391A1 (en) * | 1995-07-25 | 1997-01-29 | Matra Communication | Method of selecting radio wave propagation paths in a spread spectrum communication system |
US5715276A (en) * | 1996-08-22 | 1998-02-03 | Golden Bridge Technology, Inc. | Symbol-matched filter having a low silicon and power requirement |
Non-Patent Citations (20)
Title |
---|
D. L. Schilling, Unpublished Paper, "A Matched Filter-Based Wideband CDMA Implementation", Jul. 1996, pp. 1-16. |
D. L. Schilling, Unpublished Paper, A Matched Filter Based Wideband CDMA Implementation , Jul. 1996, pp. 1 16. * |
G. L. Turin, "An Introduction of Matched Filters", IEEE Transactions on Information Theory, Jun. 1960, pp. 310-329. |
G. L. Turin, An Introduction of Matched Filters , IEEE Transactions on Information Theory , Jun. 1960, pp. 310 329. * |
G. L. Turin. "An Introduction to Digital Matched Filters", Proceedings of the IEEE, Jul. 1976, pp. 1092-1112. |
G. L. Turin. An Introduction to Digital Matched Filters , Proceedings of the IEEE , Jul. 1976, pp. 1092 1112. * |
K. Higuchi et al., "Two-Stage Rapid Cell Search Scheme in DS-CDMA Asynchronous Cellular System using Long Code", Technical Report of IEICE, NTT Mobile Communications Network, Aug. 1996, pp. 51-56. |
K. Higuchi et al., Two Stage Rapid Cell Search Scheme in DS CDMA Asynchronous Cellular System using Long Code , Technical Report of IEICE, NTT Mobile Communications Network, Aug. 1996, pp. 51 56. * |
R. B. Ward et al., "Acquisition of Pseudonoise Signals by Recursion-Aided Sequential Estimation", IEEE Transactions on Communications, vol. Com-25, No. 8, Aug. 1977, pp. 784-794. |
R. B. Ward et al., Acquisition of Pseudonoise Signals by Recursion Aided Sequential Estimation , IEEE Transactions on Communications , vol. Com 25, No. 8, Aug. 1977, pp. 784 794. * |
R. B. Ward, "Acquisition of Pseudonoise Signals by Sequential Estimation", IEEE Transactions on Communication Technology, Dec. 1965, pp. 475-483. |
R. B. Ward, Acquisition of Pseudonoise Signals by Sequential Estimation , IEEE Transactions on Communication Technology , Dec. 1965, pp. 475 483. * |
R. C. Dixon, "Integrate-and-Dump Filters", Spread Spectrum Systems, 2nd Edition, John Wiley & Sons, 1984, pp. 203-204. |
R. C. Dixon, "Matched-Filter Synchronizers", Spread Spectrum Systems, 2nd Edition, John Wiley & Sons, 1984, pp. 229-234. |
R. C. Dixon, Integrate and Dump Filters , Spread Spectrum Systems , 2nd Edition, John Wiley & Sons, 1984, pp. 203 204. * |
R. C. Dixon, Matched Filter Synchronizers , Spread Spectrum Systems , 2nd Edition, John Wiley & Sons, 1984, pp. 229 234. * |
R. L. Peterson et al., Section 5 1, Introduction to Spread Spectrum Communications , Prentice Hall, Inc., 1995, pp. 221 223. * |
R. L. Peterson et al., Section 5-1, Introduction to Spread-Spectrum Communications, Prentice-Hall, Inc., 1995, pp. 221-223. |
TIA/EIA Interim Standard, Mobile Station Base Station Compatibility Standard for Dual Mode Wideband Spread Spectrum Cellular System, TIA/EIA/IS 95, Telecommunications Industry Association, Jul. 1993, pp. 7 2 & 7 18. * |
TIA/EIA Interim Standard, Mobile Station-Base Station Compatibility Standard for Dual-Mode Wideband Spread Spectrum Cellular System, TIA/EIA/IS-95, Telecommunications Industry Association, Jul. 1993, pp. 7-2 & 7-18. |
Cited By (214)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8213485B2 (en) | 1996-05-28 | 2012-07-03 | Qualcomm Incorporated | High rate CDMA wireless communication system using variable sized channel codes |
US8588277B2 (en) | 1996-05-28 | 2013-11-19 | Qualcomm Incorporated | High data rate CDMA wireless communication system using variable sized channel codes |
US7715461B2 (en) | 1996-05-28 | 2010-05-11 | Qualcomm, Incorporated | High data rate CDMA wireless communication system using variable sized channel codes |
US6111868A (en) * | 1996-07-31 | 2000-08-29 | Korea Telecommunication Authority | Parallel acquisition system using reference matched filter |
US6075809A (en) * | 1997-01-06 | 2000-06-13 | Sony Corporation | Receiving apparatus, receiving method and terminal unit for use with radio system |
US6108370A (en) * | 1997-01-06 | 2000-08-22 | Sony Corporation | Receiving apparatus, receiving method, and terminal unit for use with radio system |
US6072822A (en) * | 1997-01-14 | 2000-06-06 | Sony Corporation | Terminal unit for use with radio system and searching method |
US6122311A (en) * | 1997-01-21 | 2000-09-19 | Sony Corporation | Demodulating method and apparatus, receiving method and apparatus and communication apparatus |
US6366574B1 (en) * | 1997-05-08 | 2002-04-02 | Texas Instruments Incorporated | Method and device for recovering synchronization on a signal transmitted to a mobile-telephone receiver |
US6567460B1 (en) * | 1997-05-15 | 2003-05-20 | Lg Information & Communications, Ltd. | Device and method for detecting pilot PN offset in cordless telephone system |
US9408216B2 (en) | 1997-06-20 | 2016-08-02 | Intel Corporation | Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (CDMA) radio link |
US8260310B2 (en) | 1997-06-20 | 2012-09-04 | Ipr Licensing, Inc. | Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (CDMA) radio link |
US8259687B2 (en) | 1997-06-20 | 2012-09-04 | Ipr Licensing, Inc. | Dynamic bandwidth allocation for multiple access communications using buffer urgency factor |
USRE45367E1 (en) | 1997-06-20 | 2015-02-10 | Intel Corporation | Protocol conversion and bandwidth reduction technique providing multiple NB+D ISDN basic rate interface links over a wireless code division multiple access communication system |
US7477900B2 (en) | 1997-06-20 | 2009-01-13 | Interdigital Technology Corporation | Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (CDMA) radio link |
US7583971B2 (en) | 1997-06-20 | 2009-09-01 | Interdigital Technology Corporation | Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (CDMA) radio link |
US7580715B2 (en) | 1997-06-20 | 2009-08-25 | Interdigital Technology Corporation | Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (CDMA) radio link |
US20040160982A1 (en) * | 1997-06-20 | 2004-08-19 | Tantivy Communications, Inc. | Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (CDMA) radio link |
US6263010B1 (en) * | 1997-08-04 | 2001-07-17 | Kabushiki Kaisha Toshiba | Spread spectrum communication apparatus |
US20040160910A1 (en) * | 1997-12-17 | 2004-08-19 | Tantivy Communications, Inc. | Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (CDMA) radio link |
US9525923B2 (en) | 1997-12-17 | 2016-12-20 | Intel Corporation | Multi-detection of heartbeat to reduce error probability |
US7394791B2 (en) | 1997-12-17 | 2008-07-01 | Interdigital Technology Corporation | Multi-detection of heartbeat to reduce error probability |
US7496072B2 (en) | 1997-12-17 | 2009-02-24 | Interdigital Technology Corporation | System and method for controlling signal strength over a reverse link of a CDMA wireless communication system |
US7936728B2 (en) | 1997-12-17 | 2011-05-03 | Tantivy Communications, Inc. | System and method for maintaining timing of synchronization messages over a reverse link of a CDMA wireless communication system |
US9042400B2 (en) | 1997-12-17 | 2015-05-26 | Intel Corporation | Multi-detection of heartbeat to reduce error probability |
US6175587B1 (en) * | 1997-12-30 | 2001-01-16 | Motorola, Inc. | Communication device and method for interference suppression in a DS-CDMA system |
US6208632B1 (en) * | 1998-01-29 | 2001-03-27 | Sharp Laboratories Of America | System and method for CDMA channel estimation |
US6356538B1 (en) * | 1998-03-30 | 2002-03-12 | Oki Telecom, Inc. | Partial sleep system for power savings in CDMA wireless telephone devices |
US20080049815A1 (en) * | 1998-03-31 | 2008-02-28 | Shigeyuki Sudo | Receiver for receiving a spectrum dispersion signal |
US20080008274A1 (en) * | 1998-03-31 | 2008-01-10 | Shigeyuki Sudo | Receiver for receiving a spectrum dispersion signal |
US8130816B2 (en) | 1998-03-31 | 2012-03-06 | Samsung Electronics Co., Ltd. | Receiver for receiving a spectrum dispersion signal |
US7471715B2 (en) | 1998-03-31 | 2008-12-30 | Hitachi, Ltd. | Receiver for receiving a spectrum dispersion signal |
US7400667B2 (en) | 1998-03-31 | 2008-07-15 | Hitachi, Ltd. | Receiver for receiving a spectrum dispersion signal |
US7447256B2 (en) | 1998-03-31 | 2008-11-04 | Hitachi, Ltd | Receiver for receiving a spectrum dispersion signal |
US20050147154A1 (en) * | 1998-03-31 | 2005-07-07 | Shigeyuki Sudo | Receiver for receiving a spectrum dispersion signal |
US20070242632A1 (en) * | 1998-03-31 | 2007-10-18 | Shigeyuki Sudo | Receiver for receiving a spectrum dispersion signal |
US7602749B2 (en) | 1998-06-01 | 2009-10-13 | Interdigital Corporation | Fast acquisition of traffic channels for a highly variable data rate reverse link of a CDMA wireless communication system |
US7773566B2 (en) | 1998-06-01 | 2010-08-10 | Tantivy Communications, Inc. | System and method for maintaining timing of synchronization messages over a reverse link of a CDMA wireless communication system |
US7746830B2 (en) | 1998-06-01 | 2010-06-29 | Interdigital Technology Corporation | System and method for maintaining wireless channels over a reverse link of a CDMA wireless communication system |
US9307532B2 (en) | 1998-06-01 | 2016-04-05 | Intel Corporation | Signaling for wireless communications |
US8139546B2 (en) | 1998-06-01 | 2012-03-20 | Ipr Licensing, Inc. | System and method for maintaining wireless channels over a reverse link of a CDMA wireless communication system |
US7480280B2 (en) | 1998-06-01 | 2009-01-20 | Tantivy Communications, Inc. | Fast acquisition of traffic channels for a highly variable data rate reverse link of a CDMA wireless communication system |
US8908654B2 (en) | 1998-06-01 | 2014-12-09 | Intel Corporation | Dynamic bandwidth allocation for multiple access communications using buffer urgency factor |
US8792458B2 (en) | 1998-06-01 | 2014-07-29 | Intel Corporation | System and method for maintaining wireless channels over a reverse link of a CDMA wireless communication system |
US8134980B2 (en) | 1998-06-01 | 2012-03-13 | Ipr Licensing, Inc. | Transmittal of heartbeat signal at a lower level than heartbeat request |
US7221664B2 (en) | 1998-06-01 | 2007-05-22 | Interdigital Technology Corporation | Transmittal of heartbeat signal at a lower level than heartbeat request |
US6343070B1 (en) * | 1998-06-08 | 2002-01-29 | Ericcson Inc. | Methods for reducing channel acquisition times in a radiotelephone communications system and related mobile terminals |
US6452912B1 (en) * | 1998-07-07 | 2002-09-17 | Samsung Electronics, Co., Ltd. | Method for searching cells in mobile communication system |
USRE41737E1 (en) * | 1998-07-07 | 2010-09-21 | Samsung Electronics Co., Ltd. | Method for searching cells in mobile communication system |
US6590886B1 (en) * | 1998-07-17 | 2003-07-08 | Qualcomm, Incorporated | Technique for reduction of awake time in a wireless communication device utilizing slotted paging |
US6353603B1 (en) * | 1998-07-22 | 2002-03-05 | Samsung Electronics Co., Ltd. | Terminal control device and method for soft-handoff between terminals having different frequencies |
US6741581B1 (en) * | 1998-09-22 | 2004-05-25 | Hughes Electronics Corporation | System and method for transmitting data in frame format using an R-Rake retransmission technique with blind identification of data frames |
US6940809B2 (en) | 1998-09-22 | 2005-09-06 | The Directv Group, Inc. | System and method for transmitting data in frame format using an R-Rake retransmission technique with blind identification of data frames |
US6205168B1 (en) * | 1998-11-12 | 2001-03-20 | Sharp Laboratories Of America, Inc. | Sequential detection system and method with adaptive bias |
US20050050429A1 (en) * | 1999-04-28 | 2005-03-03 | Tantivy Communications, Inc. | Forward error correction scheme for high rate data exchange in a wireless system |
US20090055707A1 (en) * | 1999-04-28 | 2009-02-26 | Tantivy Communications, Inc. | Forward error correction scheme for high rate data exchange in a wireless system |
US8045536B2 (en) | 1999-04-28 | 2011-10-25 | Ipr Licensing, Inc. | Forward error correction scheme for high rate data exchange in a wireless system |
US7366154B2 (en) | 1999-04-28 | 2008-04-29 | Interdigital Technology Corporation | Forward error correction scheme for high rate data exchange in a wireless system |
US9344220B2 (en) | 1999-04-28 | 2016-05-17 | Ipr Licensing, Inc. | Forward error correction scheme for high rate data exchange in a wireless system |
US7142526B1 (en) * | 1999-09-14 | 2006-11-28 | Nec Corporation | Mobile communication terminal equipment, control method therefor, and recording medium on which control program therefor is recorded |
US6311081B1 (en) * | 1999-09-15 | 2001-10-30 | Ericsson Inc. | Low power operation in a radiotelephone |
US9420632B2 (en) | 1999-09-21 | 2016-08-16 | Ipr Licensing, Inc. | Subscriber unit for managing dual wireless communication links |
US7616970B2 (en) | 1999-09-21 | 2009-11-10 | Ipr Licensing, Inc. | Dual mode unit for short range, high rate and long range, lower rate data communications |
US9408253B2 (en) | 1999-09-21 | 2016-08-02 | Ipr Licensing, Inc. | Subscriber unit for managing dual wireless communication links |
US8380244B2 (en) | 1999-09-21 | 2013-02-19 | Ipr Licensing, Inc. | Dual mode unit for short range, high rate and long range, lower rate data communications |
US6377615B1 (en) | 1999-09-30 | 2002-04-23 | Ericsson Inc. | Apparatus and methods for receiving information using variable length accumulation searchers |
US6606485B1 (en) * | 1999-10-06 | 2003-08-12 | Qualcomm, Incorporated | Candidate system search and soft handoff between frequencies in a multi-carrier mobile communication system |
US8238855B2 (en) | 1999-10-06 | 2012-08-07 | Qualcomm Incorporated | Candidate system search and soft handoff between frequencies in a multi-carrier mobile communication system |
US7130334B2 (en) | 1999-11-29 | 2006-10-31 | Qualcomm, Inc. | Method and apparatus for a pilot search using a matched filter |
US6760366B1 (en) * | 1999-11-29 | 2004-07-06 | Qualcomm Incorporated | Method and apparatus for pilot search using a matched filter |
US20040146126A1 (en) * | 1999-11-29 | 2004-07-29 | Wheatley Charles E. | Method and apparatus for a pilot search using matched filter |
US7054352B2 (en) * | 1999-11-30 | 2006-05-30 | Nec Corporation | CDMA mobile telephone |
US20010041536A1 (en) * | 1999-11-30 | 2001-11-15 | Osamu Hasegawa | CDMA mobile telephone |
WO2001047133A1 (en) * | 1999-12-20 | 2001-06-28 | Nokia Networks Oy | Method of receiving spread spectrum signal, and receiver |
US20090052404A1 (en) * | 1999-12-20 | 2009-02-26 | Tantivy Communications, Inc. | Method and apparatus for a spectrally compliant cellular communication system |
US8463255B2 (en) | 1999-12-20 | 2013-06-11 | Ipr Licensing, Inc. | Method and apparatus for a spectrally compliant cellular communication system |
US9306658B2 (en) | 1999-12-20 | 2016-04-05 | Ipr Licensing, Inc. | Method and apparatus for a spectrally compliant cellular communication system |
US20040043751A1 (en) * | 1999-12-20 | 2004-03-04 | Tantivy Communications, Inc. | Method and apparatus for a spectrally compliant cellular communication system |
US6799055B2 (en) | 1999-12-20 | 2004-09-28 | Nokia Networks Oy | Method of receiving spread spectrum signal, and receiver |
US8755360B2 (en) | 1999-12-20 | 2014-06-17 | Ipr Licensing, Inc. | Method and apparatus for a spectrally compliant cellular communication system |
US7031376B2 (en) | 1999-12-30 | 2006-04-18 | Infineon Technologies Ag | Fast initial acquisition and search device for a spread spectrum communication system |
US20060245480A1 (en) * | 1999-12-30 | 2006-11-02 | Infineon Technologies Ag | Fast initial acquisition & search device for a spread spectrum communication system |
US20010048713A1 (en) * | 1999-12-30 | 2001-12-06 | Medlock Joel D. | Fast initial acquisition & search device for a spread spectrum communication system |
US6859489B2 (en) | 2000-01-18 | 2005-02-22 | Infineon Technologies Ag | Method and device for determining the carrier frequency of base stations in the mobile receiver of a cellular mobile radio system working with W-CDMA |
US9301274B2 (en) | 2000-02-07 | 2016-03-29 | Intel Corporation | Minimal maintenance link to support synchronization |
US9807714B2 (en) | 2000-02-07 | 2017-10-31 | Intel Corporation | Minimal maintenance link to support synchronization |
US8509268B2 (en) | 2000-02-07 | 2013-08-13 | Intel Corporation | Minimal maintenance link to support sychronization |
US8175120B2 (en) | 2000-02-07 | 2012-05-08 | Ipr Licensing, Inc. | Minimal maintenance link to support synchronization |
US20010028674A1 (en) * | 2000-02-13 | 2001-10-11 | Ofir Edlis | Searching in dual-mode communications system |
US7085308B2 (en) * | 2000-02-13 | 2006-08-01 | Intel Corporation | Searching in dual-mode communications system |
US6693890B1 (en) * | 2000-03-03 | 2004-02-17 | Carlson Wireless, Inc. | Fast acquisition module for a code division multiple access (CDMA) wireless local loop (WLL) system |
US6539032B2 (en) * | 2000-03-10 | 2003-03-25 | Mitsubishi Denki Kabushiki Kaisha | Methods for synchronizing between a base station and a mobile station in a cell-based mobile communications system |
US7443826B1 (en) * | 2000-10-04 | 2008-10-28 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for automatic frequency control in a CDMA receiver |
US6957103B2 (en) | 2000-11-03 | 2005-10-18 | Cardiac Pacemakers, Inc. | Configurations and methods for making capacitor connections |
US20040173835A1 (en) * | 2000-11-03 | 2004-09-09 | Cardiac Pacemakers, Inc. | Method for interconnecting anodes and cathodes in a flat capacitor |
US10032565B2 (en) | 2000-11-03 | 2018-07-24 | Cardiac Pacemakers, Inc. | Flat capacitor for an implantable medical device |
US8543201B2 (en) | 2000-11-03 | 2013-09-24 | Cardiac Pacemakers, Inc. | Flat capacitor having staked foils and edge-connected connection members |
US6999304B2 (en) | 2000-11-03 | 2006-02-14 | Cardiac Pacemakers, Inc. | Foil structures for use in a capacitor with an anode foil and a cathode foil stacked together |
US7365960B2 (en) | 2000-11-03 | 2008-04-29 | Cardiac Pacemakers, Inc. | Capacitor having a feedthrough assembly with a coupling member |
US7355841B1 (en) | 2000-11-03 | 2008-04-08 | Cardiac Pacemakers, Inc. | Configurations and methods for making capacitor connections |
US7347880B2 (en) | 2000-11-03 | 2008-03-25 | Cardiac Pacemakers, Inc. | Flat capacitor having staked foils and edge-connected connection members |
US8451587B2 (en) | 2000-11-03 | 2013-05-28 | Cardiac Pacemakers, Inc. | Method for interconnecting anodes and cathodes in a flat capacitor |
US7107099B1 (en) | 2000-11-03 | 2006-09-12 | Cardiac Pacemakers, Inc. | Capacitor having a feedthrough assembly with a coupling member |
US9443660B2 (en) | 2000-11-03 | 2016-09-13 | Cardiac Pacemakers, Inc. | Flat capacitor for an implantable medical device |
US7576973B2 (en) | 2000-11-03 | 2009-08-18 | Cardiac Pacemakers, Inc. | Configurations and methods for making capacitor connections |
US20040147961A1 (en) * | 2000-11-03 | 2004-07-29 | Cardiac Pacemakers, Inc. | Flat capacitor for an implantable medical device |
US6985351B2 (en) | 2000-11-03 | 2006-01-10 | Cardiac Pacemakers, Inc. | Implantable heart monitors having flat capacitors with curved profiles |
US7221556B2 (en) | 2000-11-03 | 2007-05-22 | Cardiac Pacemakers, Inc. | Implantable medical device with a capacitor that includes stacked anode and cathode foils |
US7190569B2 (en) | 2000-11-03 | 2007-03-13 | Cardiac Pacemakers, Inc. | Implantable heart monitors having capacitors with endcap headers |
US7177692B2 (en) | 2000-11-03 | 2007-02-13 | Cardiac Pacemakers, Inc. | Capacitor having a feedthrough assembly with a coupling member |
US20040019268A1 (en) * | 2000-11-03 | 2004-01-29 | Cardiac Pacemakers, Inc. | Configurations and methods for making capacitor connections |
US8744575B2 (en) | 2000-11-03 | 2014-06-03 | Cardiac Pacemakers, Inc. | Flat capacitor for an implantable medical device |
US7190570B2 (en) | 2000-11-03 | 2007-03-13 | Cardiac Pacemakers, Inc. | Configurations and methods for making capacitor connections |
US20020061057A1 (en) * | 2000-11-17 | 2002-05-23 | Makoto Wakamatsu | Digital filter |
US8437330B2 (en) | 2000-12-01 | 2013-05-07 | Intel Corporation | Antenna control system and method |
US9775115B2 (en) | 2000-12-01 | 2017-09-26 | Intel Corporation | Antenna control system and method |
US8155096B1 (en) | 2000-12-01 | 2012-04-10 | Ipr Licensing Inc. | Antenna control system and method |
US9924468B2 (en) | 2000-12-01 | 2018-03-20 | Intel Corporation | Antenna control system and method |
US9225395B2 (en) | 2000-12-01 | 2015-12-29 | Intel Corporation | Antenna control system and method |
US7010067B2 (en) | 2001-01-12 | 2006-03-07 | Renesas Technology America, Inc. | Methods and apparatus for feature recognition time shift correlation |
WO2002056494A1 (en) * | 2001-01-12 | 2002-07-18 | Mitsubishi Electric And Electronics U.S.A., Inc. | Methods and apparatus for feature recognition time shift correlation |
US8687606B2 (en) | 2001-02-01 | 2014-04-01 | Intel Corporation | Alternate channel for carrying selected message types |
US8638877B2 (en) | 2001-02-01 | 2014-01-28 | Intel Corporation | Methods, apparatuses and systems for selective transmission of traffic data using orthogonal sequences |
US9247510B2 (en) | 2001-02-01 | 2016-01-26 | Intel Corporation | Use of correlation combination to achieve channel detection |
US8274954B2 (en) | 2001-02-01 | 2012-09-25 | Ipr Licensing, Inc. | Alternate channel for carrying selected message types |
US7301987B2 (en) | 2001-02-08 | 2007-11-27 | Intel Corporation | Background processing and searching for a communication channel |
US8543794B2 (en) | 2001-03-22 | 2013-09-24 | Altera Corporation | Adaptive integrated circuitry with heterogenous and reconfigurable matrices of diverse and adaptive computational units having fixed, application specific computational elements |
US8533431B2 (en) | 2001-03-22 | 2013-09-10 | Altera Corporation | Adaptive integrated circuitry with heterogeneous and reconfigurable matrices of diverse and adaptive computational units having fixed, application specific computational elements |
US9396161B2 (en) | 2001-03-22 | 2016-07-19 | Altera Corporation | Method and system for managing hardware resources to implement system functions using an adaptive computing architecture |
US20030054774A1 (en) * | 2001-03-22 | 2003-03-20 | Quicksilver Technology, Inc. | Method and system for managing hardware resources to implement system acquisition using an adaptive computing architecture |
US8356161B2 (en) | 2001-03-22 | 2013-01-15 | Qst Holdings Llc | Adaptive processor for performing an operation with simple and complex units each comprising configurably interconnected heterogeneous elements |
US8589660B2 (en) | 2001-03-22 | 2013-11-19 | Altera Corporation | Method and system for managing hardware resources to implement system functions using an adaptive computing architecture |
US9164952B2 (en) | 2001-03-22 | 2015-10-20 | Altera Corporation | Adaptive integrated circuitry with heterogeneous and reconfigurable matrices of diverse and adaptive computational units having fixed, application specific computational elements |
US7752419B1 (en) | 2001-03-22 | 2010-07-06 | Qst Holdings, Llc | Method and system for managing hardware resources to implement system functions using an adaptive computing architecture |
US9037834B2 (en) | 2001-03-22 | 2015-05-19 | Altera Corporation | Method and system for managing hardware resources to implement system functions using an adaptive computing architecture |
US9665397B2 (en) | 2001-03-22 | 2017-05-30 | Cornami, Inc. | Hardware task manager |
US9015352B2 (en) | 2001-03-22 | 2015-04-21 | Altera Corporation | Adaptable datapath for a digital processing system |
US8543795B2 (en) | 2001-03-22 | 2013-09-24 | Altera Corporation | Adaptive integrated circuitry with heterogeneous and reconfigurable matrices of diverse and adaptive computational units having fixed, application specific computational elements |
US20040100935A1 (en) * | 2001-04-04 | 2004-05-27 | Andrew Papageorgiou | Method and apparatus for fast w-cdma acquisition |
GB2374252A (en) * | 2001-04-04 | 2002-10-09 | Ubinetics Ltd | Identification of neighbouring cell scrambling codes |
US20050063316A1 (en) * | 2001-04-04 | 2005-03-24 | Diego Giancola | Method and apparatus for fast w-cdma acquisition |
US7391756B2 (en) | 2001-04-04 | 2008-06-24 | Ubi Netics Limited | Method and apparatus for fast W-CDMA acquisition |
US7379439B2 (en) | 2001-04-04 | 2008-05-27 | Ubinetics Limited | Method and apparatus for fast W-CDMA acquisition |
US20040146026A1 (en) * | 2001-04-04 | 2004-07-29 | Gerald Williams | Method and apparatus for fast w-cdma acquisition |
US7336635B2 (en) | 2001-04-04 | 2008-02-26 | Ubi Netics Limited | Method and apparatus for fast W-CDMA acquisition |
US8249135B2 (en) | 2001-05-08 | 2012-08-21 | Qst Holdings Llc | Method and system for reconfigurable channel coding |
US7809050B2 (en) | 2001-05-08 | 2010-10-05 | Qst Holdings, Llc | Method and system for reconfigurable channel coding |
US7822109B2 (en) | 2001-05-08 | 2010-10-26 | Qst Holdings, Llc. | Method and system for reconfigurable channel coding |
US8767804B2 (en) | 2001-05-08 | 2014-07-01 | Qst Holdings Llc | Method and system for reconfigurable channel coding |
US9014118B2 (en) | 2001-06-13 | 2015-04-21 | Intel Corporation | Signaling for wireless communications |
US20030099223A1 (en) * | 2001-11-28 | 2003-05-29 | Chang Li Fung | Acquisition matched filter for W-CDMA systems providing frequency offset robustness |
US7106787B2 (en) | 2001-11-28 | 2006-09-12 | Broadcom Corporation | Acquisition matched filter for W-CDMA systems providing frequency offset robustness |
US20060262837A1 (en) * | 2001-11-28 | 2006-11-23 | Chang Li F | Acquisition matched filter for W-CDMA systems providing frequency offset robustness |
US7508866B2 (en) | 2001-11-28 | 2009-03-24 | Broadcom Corporation | Acquisition matched filter for W-CDMA systems providing frequency offset robustness |
USRE42743E1 (en) | 2001-11-28 | 2011-09-27 | Qst Holdings, Llc | System for authorizing functionality in adaptable hardware devices |
US9330058B2 (en) | 2001-11-30 | 2016-05-03 | Altera Corporation | Apparatus, method, system and executable module for configuration and operation of adaptive integrated circuitry having fixed, application specific computational elements |
US9594723B2 (en) | 2001-11-30 | 2017-03-14 | Altera Corporation | Apparatus, system and method for configuration of adaptive integrated circuitry having fixed, application specific computational elements |
US8880849B2 (en) | 2001-11-30 | 2014-11-04 | Altera Corporation | Apparatus, method, system and executable module for configuration and operation of adaptive integrated circuitry having fixed, application specific computational elements |
US8250339B2 (en) | 2001-11-30 | 2012-08-21 | Qst Holdings Llc | Apparatus, method, system and executable module for configuration and operation of adaptive integrated circuitry having fixed, application specific computational elements |
US8225073B2 (en) | 2001-11-30 | 2012-07-17 | Qst Holdings Llc | Apparatus, system and method for configuration of adaptive integrated circuitry having heterogeneous computational elements |
US8442096B2 (en) | 2001-12-12 | 2013-05-14 | Qst Holdings Llc | Low I/O bandwidth method and system for implementing detection and identification of scrambling codes |
US7668229B2 (en) | 2001-12-12 | 2010-02-23 | Qst Holdings, Llc | Low I/O bandwidth method and system for implementing detection and identification of scrambling codes |
US20030114126A1 (en) * | 2001-12-18 | 2003-06-19 | Wang Michael M. | Method and apparatus for automatic gain control compensation in a wireless communication system |
US6799024B2 (en) * | 2001-12-18 | 2004-09-28 | Motorola Inc. | Method and apparatus for automatic gain control compensation in a wireless communication system |
US9002998B2 (en) | 2002-01-04 | 2015-04-07 | Altera Corporation | Apparatus and method for adaptive multimedia reception and transmission in communication environments |
US20040192315A1 (en) * | 2002-03-26 | 2004-09-30 | Li Jimmy Kwok-On | Method for dynamically assigning spreading codes |
US7865847B2 (en) | 2002-05-13 | 2011-01-04 | Qst Holdings, Inc. | Method and system for creating and programming an adaptive computing engine |
US6892072B2 (en) * | 2002-06-20 | 2005-05-10 | Nec Corporation | Method of optimizing the search for cells in a mobile telecommunication network |
US20030236098A1 (en) * | 2002-06-20 | 2003-12-25 | Nec Corporation | Method of optimizing the search for cells in a mobile telecommunication network |
US10817184B2 (en) | 2002-06-25 | 2020-10-27 | Cornami, Inc. | Control node for multi-core system |
US7653710B2 (en) | 2002-06-25 | 2010-01-26 | Qst Holdings, Llc. | Hardware task manager |
US8200799B2 (en) | 2002-06-25 | 2012-06-12 | Qst Holdings Llc | Hardware task manager |
US10185502B2 (en) | 2002-06-25 | 2019-01-22 | Cornami, Inc. | Control node for multi-core system |
US8782196B2 (en) | 2002-06-25 | 2014-07-15 | Sviral, Inc. | Hardware task manager |
US8108656B2 (en) | 2002-08-29 | 2012-01-31 | Qst Holdings, Llc | Task definition for specifying resource requirements |
US20090122742A1 (en) * | 2002-09-26 | 2009-05-14 | Interdigital Technology Corporation | Method for utilizing multicast services to enhance user equipment battery life |
US7937591B1 (en) | 2002-10-25 | 2011-05-03 | Qst Holdings, Llc | Method and system for providing a device which can be adapted on an ongoing basis |
US8706916B2 (en) | 2002-10-28 | 2014-04-22 | Altera Corporation | Adaptable datapath for a digital processing system |
US7904603B2 (en) | 2002-10-28 | 2011-03-08 | Qst Holdings, Llc | Adaptable datapath for a digital processing system |
US8380884B2 (en) | 2002-10-28 | 2013-02-19 | Altera Corporation | Adaptable datapath for a digital processing system |
US8276135B2 (en) | 2002-11-07 | 2012-09-25 | Qst Holdings Llc | Profiling of software and circuit designs utilizing data operation analyses |
US7984247B2 (en) | 2002-11-22 | 2011-07-19 | Qst Holdings Llc | External memory controller node |
US7937538B2 (en) | 2002-11-22 | 2011-05-03 | Qst Holdings, Llc | External memory controller node |
US8769214B2 (en) | 2002-11-22 | 2014-07-01 | Qst Holdings Llc | External memory controller node |
US7979646B2 (en) | 2002-11-22 | 2011-07-12 | Qst Holdings, Inc. | External memory controller node |
US8266388B2 (en) | 2002-11-22 | 2012-09-11 | Qst Holdings Llc | External memory controller |
US7941614B2 (en) | 2002-11-22 | 2011-05-10 | QST, Holdings, Inc | External memory controller node |
US7937539B2 (en) | 2002-11-22 | 2011-05-03 | Qst Holdings, Llc | External memory controller node |
US10115995B2 (en) | 2002-12-31 | 2018-10-30 | Cardiac Pacemakers, Inc. | Batteries including a flat plate design |
US9093683B2 (en) | 2002-12-31 | 2015-07-28 | Cardiac Pacemakers, Inc. | Method and apparatus for porous insulative film for insulating energy source layers |
US9620806B2 (en) | 2002-12-31 | 2017-04-11 | Cardiac Pacemakers, Inc. | Batteries including a flat plate design |
US6983158B2 (en) * | 2003-02-25 | 2006-01-03 | Nokia Corporation | Multiple base station monitoring of digital paging channel to reduce an occurrence of missed pages by a mobile station |
US20040166882A1 (en) * | 2003-02-25 | 2004-08-26 | Nokia Corporation | Multiple base station monitoring of digital paging channel to reduce an occurrence of missed pages by a mobile station |
US7660984B1 (en) | 2003-05-13 | 2010-02-09 | Quicksilver Technology | Method and system for achieving individualized protected space in an operating system |
US7428262B2 (en) | 2003-08-13 | 2008-09-23 | Motorola, Inc. | Channel estimation in a rake receiver of a CDMA communication system |
US7453920B2 (en) | 2004-03-09 | 2008-11-18 | Atc Technologies, Llc | Code synchronization in CDMA satellite wireless communications system using uplink channel detection |
US20050201449A1 (en) * | 2004-03-09 | 2005-09-15 | Churan Gary G. | Code synchronization in CDMA satellite wireless communications system using uplink channel detection |
US7142139B2 (en) | 2004-05-18 | 2006-11-28 | Broadcom Corporation | Powering down of DAC and ADC for receive/transmit modes of operation in a wireless device |
US20050258991A1 (en) * | 2004-05-18 | 2005-11-24 | Efland Gregory H | Powering down of dac and adc for receive/transmit modes of operation in a wireless device |
US7079058B2 (en) * | 2004-05-18 | 2006-07-18 | Broadcom Corporation | Powering down of DAC and ADC for receive/transmit modes of operation in a wireless device |
US20060007030A1 (en) * | 2004-05-18 | 2006-01-12 | Efland Gregory H | Powering down of DAC and ADC for receive/transmit modes of operation in a wireless device |
US20060073438A1 (en) * | 2004-07-15 | 2006-04-06 | Cubic Corporation | Enhancement of aimpoint in simulated training systems |
US20110149902A1 (en) * | 2005-05-02 | 2011-06-23 | Hak Seong Kim | Apparatus and method for receiving signals in multi-carrier multiple access systems |
US8483326B2 (en) * | 2005-05-02 | 2013-07-09 | Lg Electronics Inc. | Apparatus and method for receiving signals in multi-carrier multiple access systems |
US20120300745A1 (en) * | 2005-05-02 | 2012-11-29 | Lg Electronics Inc. | Apparatus and method for receiving signals in multi-carrier multiple access systems |
US8422576B2 (en) | 2005-05-02 | 2013-04-16 | Lg Electronics Inc. | Apparatus and method for receiving signals in multi-carrier multiple access systems |
US20090161528A1 (en) * | 2007-12-21 | 2009-06-25 | Motorola, Inc. | Method for extending ranging region in an ofdma system |
US20100118695A1 (en) * | 2008-11-10 | 2010-05-13 | Qualcomm Incorporated | Spectrum sensing of bluetooth using a sequence of energy detection measurements |
US8964692B2 (en) | 2008-11-10 | 2015-02-24 | Qualcomm Incorporated | Spectrum sensing of bluetooth using a sequence of energy detection measurements |
US11055103B2 (en) | 2010-01-21 | 2021-07-06 | Cornami, Inc. | Method and apparatus for a multi-core system for implementing stream-based computations having inputs from multiple streams |
US8588728B1 (en) * | 2011-06-16 | 2013-11-19 | Sprint Spectrum L.P. | Method and apparatus for enhanced adaptive idle mode and battery efficiency monitoring |
US10114104B1 (en) * | 2017-06-01 | 2018-10-30 | Athentek Innovations, Inc. | System and methods for learning wireless transceiver locations and updating a spatially-dependent path-loss model |
US10117065B1 (en) * | 2017-06-01 | 2018-10-30 | Athentek Innovations, Inc. | Systems and methods for learning wireless transceiver locations and updating a spatially-dependent path-loss model |
US10117064B1 (en) * | 2017-06-01 | 2018-10-30 | Athentek Innovations, Inc. | Systems and methods for learning wireless transceiver locations and updating a spatially-dependent path-loss model |
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DE19745432C2 (en) | 2001-05-03 |
CA2213960C (en) | 2001-01-02 |
GB2318952B (en) | 2001-06-20 |
KR100253104B1 (en) | 2000-04-15 |
GB2318952A (en) | 1998-05-06 |
AR009797A1 (en) | 2000-05-03 |
CN1185705A (en) | 1998-06-24 |
GB9720012D0 (en) | 1997-11-19 |
CN1086541C (en) | 2002-06-19 |
JPH10145333A (en) | 1998-05-29 |
KR19980033222A (en) | 1998-07-25 |
JP4057111B2 (en) | 2008-03-05 |
DE19745432A1 (en) | 1998-05-07 |
BR9705310A (en) | 2001-03-20 |
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